1 box ziti shells
1 (32 oz.) jar spaghetti sauce
2 or 3 c. Mozzarella cheese, shredded
1 (16 oz.) Ricotta cheese

Cook ziti according to the directions on the box. Mix ricotta cheese and 2/3 of the Mozzarella cheese when ziti is done cooking; drain well. While still warm mix with ricotta cheese and Mozzarella cheese mixture. Spread a thin layer of spaghetti sauce on bottom of 13 x 9 inch pan. Press ziti mixture in pan over sauce layer. Finally, pour the rest of the sauce over ziti mixture, top with more Mozzarella cheese. Bake at 350 degrees approximately 30 minutes or until heated through, or microwave in large micro-safe dish for 15 minutes on High power.